Apparatus for changing the running track of a racing toy
US4878876A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 19, 1988 |
| Grant date | Nov 7, 1989 |
| Priority date | — |
| Expiry date | Jul 19, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H18/10
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An apparatus for changing the running track of a toy car racer in a racing toy, in which a motor-driven running body runs on a base having a plurality of guide tracks in parallel. The body has a guide element engageable with the guide track and the running body is provided with an electromagnetic coil for engaging and disengaging the guide element with the guide track. The electromagnetic coil at its pole portions is provided with yokes each energizable to a different polarity and protruding in parallel to a predetermined direction to form a pair of magnetic pole portions, opposite to which are swingably arranged linkage for controlling wheel-steerage, including a magnet at its middle portion adjacent to the magnetic pole portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.